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CDMA Network Design
This presentation gives an overview of code-division multiple access (CDMA) and inter-cell effects, network capacities, sensitivity analysis of base station locations, pilot-signal power, and transmission power of the mobiles, and concludes with numerical results.
Date:
May 2002
Creator:
Akl, Robert G.
System:
The UNT Digital Library
Cell Design to Maximize Capacity in CDMA Networks
This presentation discusses the code division multiple access (CDMA) inter-cell effects, capacity regions, maximizing network capacity, mobility, a call admission control algorithm, and network performance.
Date:
April 2002
Creator:
Akl, Robert G.
System:
The UNT Digital Library
Current Research in Wireless at UNT
This presentation discusses wireless networks, access point selections, traffic balancing, multi-cell CDMA, user distribution modeling, and call admission control.
Date:
October 2004
Creator:
Akl, Robert G.
System:
The UNT Digital Library
Energy-Aware Routing and Hybrid Synchronization in Sensor Networks
This presentation discusses the research of sensor synchronization, sensor grid routing, and voice over internet protocol (VoIP).
Date:
September 2007
Creator:
Akl, Robert G.
System:
The UNT Digital Library
Research, Teaching, and Outreach
This presentation discusses research in sensor network routing, WiFi network optimization, 3G cellular call admission, and the outreach and resources needed.
Date:
December 9, 2005
Creator:
Akl, Robert G.
System:
The UNT Digital Library
Subscriber Maximization in CDMA Cellular Networks
This presentation gives an overview of code division multiple access (CDMA), traffic and mobility models, subscriber optimization formulation, and numerical results.
Date:
August 2004
Creator:
Akl, Robert G.
System:
The UNT Digital Library
WiFi and WCDMA Network Design
This presentation discusses WiFi access point selection and traffic balancing, multi-cell wideband code division multiple access (WCDMA) with multiple classes, user modeling using 2D Gaussian distribution, and intra-cell and inter-cell interference and capacity.
Date:
April 2005
Creator:
Akl, Robert G.
System:
The UNT Digital Library
Retention and Recruitment of Women in Computer Engineering
This presentation discusses strategies and goals for recruiting more women to Computer Science and Engineering degree (CSE) programs at the University of North Texas (UNT). It also describes a series of activities aimed at improving retention rates of women students already in our programs. Such recruitment and retention of women is critical to the country's efforts to increase the number of engineering professionals, and is a priority for the CSE Department at UNT.
Date:
July 2006
Creator:
Akl, Robert G. & Garlick, Ryan
System:
The UNT Digital Library
Capacity Allocations in Multi-cell UMTS Networks for Different Spreading Factors with Perfect and Imperfect Power Control [Presentation]
This presentation discusses user and interference models, wideband code division multiple access (WCDMA) capacity with perfect and imperfect power control, and spreading factors with numerical results.
Date:
January 2006
Creator:
Akl, Robert G. & Nguyen, Son
System:
The UNT Digital Library
Global versus Local Call Admission Control in CDMA Cellular Networks [Presentation]
This presentation discusses interference model impacts on capacity, global call admission controls, local call admission controls, and the differences in global versus local call admission controls.
Date:
July 2004
Creator:
Akl, Robert G. & Parvez, Asad
System:
The UNT Digital Library
Impact of Interference Model on Capacity in CDMA Cellular Networks
This presentation introduces code division multiple access (CDMA) networks, average and actual interference models, optimized capacity, and the 2D Gaussian user model.
Date:
July 2004
Creator:
Akl, Robert G. & Parvez, Asad
System:
The UNT Digital Library
Call Admission Control Scheme for Arbitrary Traffic Distribution in CDMA Cellular Systems
This presentation discusses call admission control (CAC). The authors define a set of feasible call configurations that results in a CAC algorithm that captures the effect of having an arbitrary traffic distribution and whose complexity scales linearly with the number of cells.
Date:
September 2000
Creator:
Akl, Robert G.; Hegde, Manju V.; Naraghi-Pour, Mort & Min, Paul S.
System:
The UNT Digital Library
Self-Configuring Wireless MEMS Network
This presentation discusses miniature, lightweight, self-powered wireless sensors, and networking software needs.
Date:
January 2008
Creator:
Akl, Robert G.; Kavi, Krishna M. & El Rewini, Hesham
System:
The UNT Digital Library
Robocamp: Encouraging Young Women to Embrace STEM
This presentation discusses Robocamp, a special summer camp that was created by the University of North Texas (UNT) Computer Science and Engineering department. Robocamp successfully promotes engineering among high school women.
Date:
February 2009
Creator:
Akl, Robert G.; Keathly, David & Garlick, Ryan
System:
The UNT Digital Library
Folksonomy
This Tech Talk presentation explores Folksonomy. The author explores some of the more common aspects of folksonomies in the context of Web 2.0.
Date:
July 2, 2008
Creator:
Alemneh, Daniel Gelaw
System:
The UNT Digital Library
The Future is in the Preservation Metadata
This presentation discusses the issue of digital preservation and how metadata provides a critical part of the solution to the preservation challenges from detecting preservation threats to promoting preventative measures.
Date:
2003
Creator:
Alemneh, Daniel Gelaw
System:
The UNT Digital Library
An Introduction to MODS: The Metadata Object Description Schema
This Tech Talks presentation offers an introduction to MODS. The presenter utilizes real life examples to show how MODS can be used with the Metadata Encoding and Transmission Standard (METS).
Date:
October 17, 2007
Creator:
Alemneh, Daniel Gelaw
System:
The UNT Digital Library
Maintaining Quality Metadata: Toward Effective Digital Resource Lifecycle Management
This presentation discusses the critical issues of metadata quality in digital libraries and describes the efforts being made by the University of North Texas Libraries to ensure metadata quality at various levels of digital resources' life cycle.
Date:
2008
Creator:
Alemneh, Daniel Gelaw
System:
The UNT Digital Library
Metadata Madness: Quality Issues in Metadata Management
This presentation provides an introductory discussion on metadata quality issues. It outlines factors that influence metadata quality including the resource types, local requirements, collaborators' requirements, and cost issues and addresses how to manage metadata quality.
Date:
2007
Creator:
Alemneh, Daniel Gelaw
System:
The UNT Digital Library
Meeting the Digital Resource Preservation Challenges: The University of North Texas Libraries Initiative
This presentation describes the University of North Texas Libraries' initiatives to ensure long-term access to various digital resources.
Date:
2002
Creator:
Alemneh, Daniel Gelaw & Hartman, Cathy Nelson
System:
The UNT Digital Library
Ensuring Universal Access for the Global Information Flow: Responding to the Demands of Scholarship in the Digital Age
This presentation was presented in Session 6.4 Reports of Current Research (Juried Papers), at the 2005 ALISE Conference. It summarizes current situations and developing trends in information technologies. Africa is used as a case to illustrate how local policies have played important roles in the process of information globalization.
Date:
2005
Creator:
Alemneh, Daniel Gelaw & Hastings, Samantha Kelly
System:
The UNT Digital Library
Integrating Folksonomies into Cultural Heritage Digital Collections: The Challenges and Opportunities of Web 2.0
In this presentation, the author defines Folksonomy and the advantages and disadvantages of Folksonomy. He begins with a background on information retrieval and changing technologies, discusses trends in technologies, and explains the use of tags and Folksonomy.
Date:
2008
Creator:
Alemneh, Daniel Gelaw & Hastings, Samantha Kelly
System:
The UNT Digital Library
Enhancing the Quality of Metadata: Modular Approach to Digital Resource Lifecycle Management
This Tech Talk presentation discusses digital resource management. Templates, validation, controlled vocabularies, analysis tools, graphical reports, and more are explained in this presentation.
Date:
March 16, 2007
Creator:
Alemneh, Daniel Gelaw & Phillips, Mark Edward
System:
The UNT Digital Library
Metadata Quality Assurance: The University of North Texas Libraries' Experience
Presentation on issues related to metadata quality management and demonstrates a number of tools, workflows, and quality assurance mechanisms employed by the University of North Texas (UNT) Libraries' Digital Projects Unit.
Date:
2009
Creator:
Alemneh, Daniel Gelaw & Tarver, Hannah
System:
The UNT Digital Library